51吃瓜

?????? ????? ????? ?? ??????? ??? ????? ????? ?? ??????? ?? ??? ????? ?? ???? ????? ????? ?????? ?????? ?????? ??? ????? ????? ?? ????? ????? ?? ??????? ?? ??? ????? ?? ???? ???? ???? ??? ??? ?????? ?? ??? ???? ????. Stainless steel machining needs to pay attention to the following points: 1. Tool selection: Stainless steel materials have high hardness, hardness, and wear resistance, . so suitable tools need to be selected for machining. ????? ??? ?? ??? ???? ??? ?????? ????? ????? ?? ??????? ?? ????? ?? ?? ??? ???? ????? ?? ????? ?? ????? ????? ????? ?? ????? ??????? ????. 2. ????? ??????: . ??????? ????? ???? ?????? ?? ??? ???? ????? ?? ???? ???? ???? ????? ????? ????? ?? ??? ?????? ?? ????? ?? ??? ???? ???? ?? ???? ????? ?? ??? ?? ????? ?? ???? ???? ???? ???? ??? ??? ?????? ?????????? ??? ?? ??? 3. ?????????? ????? ?? ??????: . ????? ????? ????? ?? ??? ?????????? ????? ?? ?????? ?? ????? ?? ????? ??? ?????? ?? ??? ????? ??. ???????? ???? ???? ???? ??? ???? ??? ???? ??? ?? ????? ?? ?? ????? ????? ?? ??????? ?? ??? ??? ????? ?? ??????? ?? ????? ????? ?? ?????? ??? ???? ???? ?? ???? ??? ??? ??? 4. ??? ??? ??????? ????? ?????? ????: . ?????? ????? ????? ?? ?????? ??? ??? ??????? ????? ??? ?????? ?? ????? ??? ?????? ?? ??? ??? ????? ??. ?????? ?? ????? ????? ??????? ????? ??? ?????? ?? ????? ?????? ?? ????? ?????? ?? ????? ???? ??? ?????? ?? ????? ?????? ?? ?????? ???? ?? ????? ??. 5. ??? ?????: ????? ?? ??? ??? ??? ??? ?? ????? ?? ?? ?? ?? ????? ?? ????? ??? ????? ???? ????. ???? ??? ????? ?????? ??? ?????? ??? ?????? ???? ????? ???.